Unbreak on 11-STABLE and 12-CURRENT

- Remove reference to unused header file that caused build failure on 11.x+
- Fix the logic to create RAW sockets appropriately (reported by Andrew Wu)
- Bump PORTREVISION

PR:		219810
Reported by:	Andrew Wu <yauhwawu@gmail.com> , dewayne@heuristicsystems.com.au
Reviewed by:	bapt
Approved by:	bapt
Differential Revision:	https://reviews.freebsd.org/D11072

net/lft/Makefile

@@ -3,6 +3,7 @@
 
 PORTNAME=	lft
 PORTVERSION=	3.79
+PORTREVISION=	1
 PORTEPOCH=	1
 CATEGORIES=	net
 MASTER_SITES=	http://pwhois.org/get/
@@ -15,8 +16,6 @@ LICENSE_NAME=	VOSTROM
 LICENSE_FILE=	${WRKSRC}/COPYING
 LICENSE_PERMS=	dist-mirror dist-sell pkg-mirror auto-accept
 
-BROKEN_FreeBSD_12=	fails to compile: lft_types.h: pcap-int.h: No such file or directory
-
 GNU_CONFIGURE=	yes
 
 PLIST_FILES=	sbin/lft bin/whob man/man8/lft.8.gz man/man8/whob.8.gz

net/lft/files/patch-lft__lib.h

@@ -0,0 +1,11 @@
+--- lft_lib.h.orig	2017-07-04 09:02:47 UTC
++++ lft_lib.h
+@@ -277,7 +277,7 @@ typedef struct _incomicmpicmp
+ #define EVT_INCOMING_ICMP_ICMP		75
+ #define EVT_RCVD_ICMP_ICMP		76
+ 
+-#if defined(BSD_IP_STACK) && !defined(OPENBSD)
++#if defined(BSD_IP_STACK) && !defined(OPENBSD) && !defined(__FreeBSD__)
+ #define SCREWED_IP_LEN
+ #endif
+ 

net/lft/files/patch-lft__types.h

@@ -0,0 +1,11 @@
+--- lft_types.h.orig	2016-05-02 14:31:54 UTC
++++ lft_types.h
+@@ -101,7 +101,7 @@ typedef signed long n_time;
+ #if !defined(DARWIN) && !defined(NETBSD)
+ #define HAVE_SNPRINTF
+ #define HAVE_VSNPRINTF
+-#if !defined(OPENBSD)
++#if !defined(OPENBSD) && !defined(__FreeBSD__)
+ #include <pcap-int.h>
+ #endif
+ #endif